package java190904;

public class Test19091802 {
	public static void main(String[] args) {
		double a = 0.08;	
		double h =0;
		int i=0;
		for(i=1;h<8848130;i++)
		{
		a=a*2;
		h=a+h;
		}
		System.out.println(i);
	}

}
